Abiotic/biotic factors
organisms
food chain/web
ecosystems
Vocabulary
100

Which of the following is an abiotic component of an ecosystem 

A) soil 

B) plants 

C)animals 

D) Decomposers 

What is soil 

100

Organisms that make their own food  

What are producers 

100

A series of organisms interrelated in their feeding habitats

What is a food chain 

100

Is equilibrium, or a balance of organisms in an ecosystem 

Ecosystem homeostasis 

100

a form of life composed of mutually independent parts 

What is an organism 

200

Which of the following is not a biotic factor 

A) average rainfall 

B) levels of fungi growth 

C) competition between bird species 

D) Rate of bacterial growth 

A) Average rainfall 

200

Define heterotroph 

an organism thar gets its nutritional requirements from complex organic substances.

200

The position that an organism occupies in a food chain

What is a trophic level

200

One species In an ecosystem 

What is a population 

200

a place or position suitable or appropriate for a person or thing

What is a niche 

300

any nonliving thing in an ecosystem 

What is an abiotic factor 

300

what type of organisms feed on dead plant and animal Matter, breaking it down into simpler substances 


What is decomposers

300

A set of organisms interrelated by predator-prey and consumer-resource interactions 

What is the food web

300

Group of different populations 

What is a community 

300

the rate at which energy is added to the bodies of a group of organisms 

What is productivity 

400

Any living thing in an ecosystem 

What is a biotic factor

400

the 4 different types of heterotrophs 

What are carnivores,  omnivores, herbivores, and detritivores

400

Earth and its atmosphere that supports life 

What is a biosphere 

400

What is the primary source of energy in most ecosystems 

What is sunlight 

400

Group of different populations (all living organisms)

What is a community 

500

True or false 

Oxygen is an abiotic factor that all organisms need to survive

False 

Plants use carbon dioxide, not oxygen

500

Organisms that Hunt for food 

What is a consumer 

500

Each level passes 10% of energy, 90% loss 

What is an ecological pyramid 

500

How is the biodiversity of an ecosystem related to its sustainability 

biodiversity of an ecosystem is important because it leads to greater sustainability 

500
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.


What is ecology